
Possible Cause
Operation
Intake air temperature idle speed adjustment device opening
times
Cleaning the throttle valve, air filter efficiency
Engine stops at idle
ENGINE DOES NOT IDLE/ IDLING IS UNSTABLE/ IDLING TOO LOW
Possible Cause
Operation
Faults detected by self-diagnosis
Pump relay
HV coil
Injector
Engine speed timing sensor
Air temperature
Engine temperature
Ignition efficiency
Spark plug
Ignition timing
Correctness of the parameters
Throttle valve position sensor
Idle speed adjustment device
Engine temperature sensor
Intake air temperature sensor
Intake system cleaning
Air filter
Diffuser and throttle valve
Idle speed adjustment device
Intake system seal (seepage)
Intake manifold - head
Throttle body - manifold
Air cleaner joint
Filter housing
Fuel system (low pressure)
Fuel pump
Pressure regulator
Fuel filter
Injector flow
Engine does not rev down
ENGINE DOES NOT RETURN TO IDLING SPEED/IDLING SPEED TOO HIGH
Possible Cause
Operation
Faults detected by self-diagnosis
Pump relay
HV coil
Injector
Engine speed timing sensor
Air temperature
Engine temperature
Ignition efficiency
Ignition timing
Correctness of the parameters
Throttle valve position sensor
Idle speed adjustment device
Engine temperature sensor
Intake air temperature sensor
Intake system seal (seepage)
Intake manifold - head
Throttle body - manifold
Air cleaner joint
Filter housing
Fuel system (low pressure)
Fuel pump
Pressure regulator
Fuel filter
Injector flow
Vespa Primavera125 - 150 i.e. 3Valvole (2013)
Injection
INJEC - 189
Содержание 150
Страница 1: ...SERVICE STATION MANUAL 1Q000118 EN Vespa Primavera125 150 i e 3Valvole 2013 ...
Страница 4: ......
Страница 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Страница 27: ...INDEX OF TOPICS TOOLING TOOL ...
Страница 37: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Страница 51: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Страница 55: ...Vespa Primavera125 150 i e 3Valvole 2013 Troubleshooting TROUBL 55 ...
Страница 56: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Страница 117: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Страница 123: ...INDEX OF TOPICS ENGINE ENG ...
Страница 182: ...INDEX OF TOPICS INJECTION INJEC ...
Страница 203: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Страница 222: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Страница 229: ...INDEX OF TOPICS CHASSIS CHAS ...
Страница 244: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Страница 249: ...Transmission 10 53 124 136 Turn indicators 79 Tyres 11 V Vehicle 8 118 119 ...